barrow island has got rare kangaroos. ♪ chevron has been developing energy here for decades. we need to protect their environment. we have a strict quarantine system to protect the integrity of the environment. forty years on, it's still a class-a nature reserve. it's our job to look after them. ...it's my job to look after it. ♪ >> get ready for a big western style showdown, a sheriff takes on a governor in about 12 hours, the governor of colorado will sign new gun control legislation, but a sheriff in one colorado county is refusing to enforce the new laws. wells county sheriff john cook joins us, good evening, sheriff. >> good evening, greta, thank you for having me on. >> greta: thanks for being here. i understand the new law falls into two categories, background checks and magazines. why have you decided not to enforce the new law? >> for several reasons, but first, i'm sorry to see tomorrow come because we're going to throw away 150 years of tradition in the state of colorado. i feel sorry for our citizens, once the governor signs the bills. but i'm opposed to them be